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Section 5 <br />MBI-2 Conductor Casing Installation <br />With the construction of the sound wails, the installation of the conductor Casing <br />at M131-2 would result in noise levels that would range from a 0.1 dB increase to a <br />1.8 dB increase. As shown in Table 51, the installation of the conductor casing <br />would not exceed the day time noise standard. Additionally, the installation of the <br />conductor casing would occur during the day and when the construction activity <br />would be exempt under the City's Noise Ordinance. Potential noise impacts <br />would be less than significant. <br />Table 51: MBI-2 Conductor Casing Installation Noise Levels <br />Receiver <br />Description <br />Existing <br />Existing 'r <br />Increase <br />(1) Noise <br />construction <br />$tandaiid <br />Threshold <br />1 <br />Wb Family west Santa <br />41.8 <br />43.6 <br />1.13 <br />55.0 <br />Ana River <br />2 <br />Mulh Family west Santa <br />61.9 <br />610 <br />01 <br />64,9 <br />Ana River <br />3 <br />Single Family north <br />65.6 <br />65 6 <br />9.0 <br />68.6 <br />Edinger Ave. <br />4 <br />Single Family north <br />64.4 <br />64.4 <br />0.0 <br />68.4 <br />Edinger Ave. <br />5 <br />Single F-ar:�-Iy-nar-th­--64 <br />-7 <br />64.7 <br />0.1 <br />67.7 <br />Edinger Ave, <br />1 <br />6 <br />Single family north <br />71.7 <br />71.7 <br />0.0 <br />74.7 <br />Edinger Ave, <br />7 <br />Single family north <br />67.6 <br />67.6 <br />0.0 <br />70.6 <br />Edinger Ave <br />8 <br />Multi Family north <br />66.2 <br />66.2 <br />0.0 <br />69.2 <br />Edinger Ave. <br />9 <br />North Centennial <br />55­579 <br />-5 <br />0.0 <br />625 <br />Education Center <br />10 <br />Southeast Centennial <br />54.8 <br />54.8 <br />0.0 <br />55r0 <br />Education Center <br />11 <br />Single Family east <br />71.8 <br />71.8 <br />0,0 <br />74.8 <br />Fairview Street <br />12 <br />Single Family east <br />71.3 <br />71.3 <br />0.0 <br />743 <br />Fairview Street <br />13 <br />Single Family east <br />71.3 <br />T1.3 <br />0.0 <br />74.3 <br />Fairview Street <br />7-4 <br />Single Family east <br />71.4 <br />71.4 <br />0 0 <br />74.4 <br />Fairview Street <br />North Godinez High <br />53.6 <br />53.6 <br />0 0 <br />550 <br />School <br />Northwest Mitchell <br />435 <br />416 <br />0.1 <br />55.0 <br />School <br />Mid Bastin Centennial Parkjcyynll4Project Final EIR 5-173 <br />